Asplenium castaneoviride

English: Chestnut-brown spleenwort.
Clades: Aspleniaceae.
Region: Asia, China, Japan, Korea, Southeast Asia.
Habitat: in rocky crevices, cliffs, and walls; prefers well-drained, calcareous substrates; in shaded and partially shaded environments.
Ecology: rare or endangered due to habitat loss or other environmental factors, in certain areas.BotanyLeaves: pinnate; leaflets are lance-shaped or narrowly elliptic, with serrated margins; dark green; glossy texture.
Sori: linear or oblong; located on the undersides of the leaflets; covered by a membranous indusium.
Stem: rhizomes, creeping underground stems.TaxonomyAsplenium castaneoviride is an allotetraploid hybrid of Asplenium incisum and Asplenium ruprechtii Northeast Asia.